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  2. Splenic lymph node - Wikipedia

    en.wikipedia.org/wiki/Splenic_lymph_node

    The splenic lymph nodes are found at the splenic hilum and in relation to the tail of the pancreas (pancreaticolienal lymph nodes). [1] [2] Their afferents are derived from the stomach, spleen, and pancreas. The splenic lymph nodes empty into the suprapancreatic, infrapancreatic and omental lymph nodes, which then drain to the coeliac nodes and ...

  3. Spleen - Wikipedia

    en.wikipedia.org/wiki/Spleen

    [5] [6] [7] The spleen is a center of activity of the mononuclear phagocyte system and is analogous to a large lymph node, as its absence causes a predisposition to certain infections. [8] [4] In humans, the spleen is purple in color and is in the left upper quadrant of the abdomen. [3] [9] The surgical process to remove the spleen is known as ...

  4. Lymph node - Wikipedia

    en.wikipedia.org/wiki/Lymph_node

    A lymph node, or lymph gland, [1] is ... The spleen and the tonsils are the larger secondary lymphoid organs that serve somewhat similar functions to lymph nodes ...

  5. Germinal center - Wikipedia

    en.wikipedia.org/wiki/Germinal_center

    Germinal centers or germinal centres (GCs) are transiently formed structures within B cell zone (follicles) in secondary lymphoid organs – lymph nodes, ileal Peyer's patches, and the spleen [1] – where mature B cells are activated, proliferate, differentiate, and mutate their antibody genes (through somatic hypermutation aimed at achieving higher affinity) during a normal immune response ...

  6. Lymphatic system - Wikipedia

    en.wikipedia.org/wiki/Lymphatic_system

    A lymph node is an organized collection of lymphoid tissue, through which the lymph passes on its way back to the blood. Lymph nodes are located at intervals along the lymphatic system. Several afferent lymph vessels bring in lymph, which percolates through the substance of the lymph node, and is then drained out by an efferent lymph vessel.

  7. Accessory spleen - Wikipedia

    en.wikipedia.org/wiki/Accessory_spleen

    An accessory spleen is a small nodule of splenic tissue found apart from the main body of the spleen. Accessory spleens are found in approximately 10 percent of the population [1] and are typically around 1 centimetre in diameter. They may resemble a lymph node or a small spleen.

  8. Lymph - Wikipedia

    en.wikipedia.org/wiki/Lymph

    Lymph (from Latin lympha 'water') [1] is the fluid that flows through the lymphatic system, a system composed of lymph vessels (channels) and intervening lymph nodes whose function, like the venous system, is to return fluid from the tissues to be recirculated.

  9. High endothelial venules - Wikipedia

    en.wikipedia.org/wiki/High_endothelial_venules

    In humans, HEVs are found in all secondary lymphoid organs (with the exception of spleen, where blood exits through open arterioles and enters the red pulp), including hundreds of lymph nodes dispersed in the body, tonsils and adenoids in the pharynx, Peyer's patches (PIs) in the small intestine, appendix, and small aggregates of lymphoid ...

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